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Matches 1 - 50 out of 32,546

Document Document Title
WO/2019/153308A1
Disclosed in an embodiment of the present application are a ripple optimization control method for power factor correction (PFC) circuit output voltage and a related circuit; the ripple optimization control circuit comprises a PFC circui...  
WO/2019/154880A1
A switching apparatus (20) comprises first and second current paths, each current path configured to be capable of conducting an electrical current, the first current path including a first switching element (28) connected in parallel wi...  
WO/2019/156401A1
A power conversion apparatus is disclosed. The power conversion apparatus, according to one embodiment disclosed in the present document, may comprise: an input terminal for receiving, as input, a rectified AC power; an active power fact...  
WO/2019/157105A1
A power stage output node stabilizer may be used to reduce ringing of a power stage output node of a switching DC-DC power converter. The power stage output node stabilizer may be a network of resistors and switches coupling the power st...  
WO/2019/155109A1
The invention relates to a conversion system (100) with a DC side and an AC side, and to an associated control method. The system (100) comprises a primary conversion block (1), a secondary conversion block (2) and a transformer block (3...  
WO/2019/154555A1
The invention relates to a method for the external monitoring of a converter (10), the converter (10) being controlled by means of a first electronic control system (12) and the method being implemented by means of a second electronic co...  
WO/2019/155328A1
A switched-mode power controller includes a primary side controller circuit configured in a startup mode of operation to generate a fixed switching frequency pulse width modulation (PWM) signal with incrementing duty-ratio value. The PWM...  
WO/2019/154576A1
The invention relates to a device (3) for obtaining electric energy, comprising a rectifier (9) and a control device (10). The rectifier (9) comprises a first charging circuit for generating energy from a positive voltage of an energy ge...  
WO/2019/155239A1
A transistor device includes a transistor and programmable controller. The controller has an output that controls operation of the transistor. The controller includes analogue computing circuitry and optionally digital computing circuitr...  
WO/2019/153680A1
A circuit for reducing output power supply drop amplitude. The circuit comprises an RC circuit, a triode level regulator, and a PMOS transistor switch. An input end of the RC circuit is connected to a control signal, and an output end is...  
WO/2019/154590A1
The invention relates to a synchronous converter (10) comprising a transformer (11A, 11B) having a predefined winding ratio, which couples a supply-side (12) and a load side (13) of the synchronous converter (10), which are each allocate...  
WO/2019/149367A1
The invention relates to a switching module (40) for a modular multi-stage converter (1), comprising a bridge branch (B2) extending between a first and a second outer connection of the switching module and having at least one first disen...  
WO/2019/150246A1
An active clamp circuit includes an active clamp capacitor coupled in series with an active clamp switch and an active clamp controller circuit to receive an active clamp switch current that passes through the active clamp switch and to ...  
WO/2019/151992A1
A signal amplifier for use in a power converter includes a variable reference generator coupled to generate a reference signal in response to a dimming control signal. A variable gain circuit is coupled to receive the reference signal, t...  
WO/2019/149104A1
The present application provides a redundant energy acquisition circuit of a power module and a control method thereof. The power module comprises at least one power semiconductor device, a first capacitor, and a first branch circuit swi...  
WO/2019/149559A1
The invention relates to a device, e.g. a machine for production. The device comprises a load circuit which generates a leakage current. The device also comprises a leakage current compensator having a unit for detecting the leakage curr...  
WO/2019/150555A1
[Problem] To enable the reduction of power loss while ensuring switching time. [Solution] This driving circuit 1 controls the time-dependent increase/decrease change of a gate voltage corresponding to the change of a control signal which...  
WO/2019/084137A3
According to one aspect, embodiments of the invention provide a start-up circuit for a power system, the start-up circuit comprising an input configured to be coupled to a power source and to receive input DC power from the renewable ene...  
WO/2019/151639A1
The present invention relates to a drop frequency controller for maintaining different frequency qualities in an independent type multi-microgrid system, and an independent type multi-microgrid system using the same. The present inventio...  
WO/2019/149675A1
The present disclosure relates to a slotless synchronous permanent magnet, PM, motor (1) comprising: a rotor (5), and a stator (3) configured to electromagnetically interact with the rotor, wherein the rotor (5) is provided with a first ...  
WO/2019/150560A1
This power conversion device comprises: a casing provided with a housing section; a circuit board housed in the housing section and having an inverter circuit or an inverter control circuit controlling the inverter circuit; a cooling fan...  
WO/2019/149211A1
A DC to DC voltage converter includes a first voltage converter module configurable to generate a first output at a first output voltage selected from two or more different voltages and a second voltage converter module configurable to g...  
WO/2019/146114A1
The insulation degradation monitoring device according to the present invention is provided with a computer installed with software. The software enables the computer to perform at least first processing, second processing, third process...  
WO/2019/145015A1
A DC/DC power converter 100 comprises three or more capacitors 120a-d connected in series between an output terminal 112 and a ground terminal 113, the three or more capacitors 120a-d being connected in series by means of two or more cap...  
WO/2019/144241A1
Resonant converters with wide voltage gain ranges are achieved by controlling at least one of the primary side resonant circuit and the secondary side rectifier circuit. A switch is included in at least one of the primary or secondary si...  
WO/2019/146899A1
In order to solve the above technical problem, a direct current/direct current converter according to an embodiment comprises: an overcurrent protection circuit unit connected to a first terminal; a direct current stabilization circuit u...  
WO/2019/145044A1
Switching cell (10) for a voltage source converter (1) comprising a switching circuit (13) with a plurality of semiconductor switches (30, 31-34), and a DC source (14). The switching circuit (13) is arranged in parallel to the DC source ...  
WO/2019/144620A1
A novel discharge circuit and a method therefor. The novel discharge circuit comprises a voltage regulation chip (4), a discharge control circuit (1), a discharge switch circuit (3), a discharge bootstrap circuit (2) and an output circui...  
WO/2019/147230A1
Example implementations relate to an apparatus to control supplying power to a linear load; the power having a predetermined current profile; the apparatus comprising a controller to establish synchronisation information associated with ...  
WO/2019/145081A1
The invention relates to a circuit arrangement of a converter (1) for the electrical supply of a multi-phase electric motor (2). The arrangement comprises multiple DC-voltage-supplied (+DC, -DC) phase intermediate circuits (13) and multi...  
WO/2019/146290A1
A negative voltage generation circuit 200 has: a first direct current voltage source 201 wherein a positive electrode end is connected to a first node N1 (Vin); a first diode 201 wherein the cathode is connected to a negative electrode e...  
WO/2019/145016A1
A DC/DC power converter 100 has an input terminal 111, an output terminal 112, and a ground terminal 113. The DC/DC power converter 100 comprises two capacitors 121, 122 connected in series between the output terminal 112 and the ground ...  
WO/2019/146149A1
This drive device is provided with: a first gate driver circuit, which outputs, to a control terminal of a first transistor, a first control signal generated on the basis of a first positive power supply voltage of first positive power s...  
WO/2019/144962A1
A power factor correction (PFC) circuit for use with a switched-mode power supply includes a rectifier, a boost PFC converter, a PFC controller, a PFC transistor electrically coupled between the PFC controller and the boost PFC converter...  
WO/2019/143594A1
A control circuit (100) that is applicable to power supply systems that use synchronous rectification techniques is described. The control circuit provides a self-driven method of control to an active switch (142) by sensing the current ...  
WO/2019/142235A1
This vehicle power supply control circuit is provided with: a first input terminal to which a voltage output by a DC-DC converter for performing voltage conversion on a power supply voltage is supplied; a second input terminal to which t...  
WO/2019/142585A1
Provided is a power conversion device which reduces switching loss caused in a low-temperature region of a SiC-MOSFET power semiconductor element mounted in a power semiconductor module. The power conversion device of the present inventi...  
WO/2019/141686A1
A voltage source converter (30) comprises first and second DC terminals (32,34) for connection to a DC network(58), the voltage source converter (30) including a plurality of limbs connected between the first and second DC terminals (32,...  
WO/2019/142730A1
A driving circuit (Dr) drives a plurality of switches (SW1-SW3) to be driven, the switches to be driven being connected in parallel to each other. The switches to be driven have a first main terminal, a second main terminal, and a main c...  
WO/2019/140902A1
Disclosed are a current-limiting protection method and apparatus for a UPS preceding-stage boost circuit. The current-limiting protection method comprises: sampling a current of an inductor in an upper arm and a lower arm of a dual-Boost...  
WO/2019/143534A1
An apparatus and method for reducing an output voltage ripple of a converter (500) are provided. The apparatus may include a controller (550) for controlling the converter, wherein the controller may include a clock generating circuit (5...  
WO/2019/141500A1
The invention relates to a method for monitoring a modular converter (1) having a plurality of modules (1_1... 1_n) connected in a series circuit, each having at least two electronic switching elements (202, 206) and an electrical energy...  
WO/2019/138251A1
An apparatus (21) is described for facilitating emulated current-mode control of a resonant converter (1). The apparatus (21) comprises: an input (21) a for a first signal suitable for use in determining a phase of a resonant current, wh...  
WO/2019/136575A1
The present invention relates to a voltage-type single-stage multi-input high frequency link inverter which has built-in parallel time-sharing selection switches, a circuit structure thereof being formed by connecting multiple common-gro...  
WO/2019/137787A1
The invention relates to a water-borne vehicle comprising a power supply unit (24), said power supply unit (24) comprising fuel cell modules (1) and DC-to-DC converters (16). The DC-to-DC converters (16) are electrically connected, in se...  
WO/2019/139600A1
A distributed energy storage system is provided for a total integrated network environment. The system includes: a power server platform; and solid state low voltage lighting panels. The power server provides functions to LED panel light...  
WO/2019/140418A1
Systems and methods to reduce magnetic flux in a welding -type switched mode power supply (100) are disclosed. It comprises: a transformer (214) configured to transform an input voltage (104) to a welding-type voltage; a capacitor (204) ...  
WO/2019/138195A1
The invention relates, in particular, to an electronic device for electrically controlling an inductive load, comprising: a power transistor (M1); a driver circuit (DRV); and an interface (AI1) connecting the power transistor (M1) to the...  
WO/2019/136574A1
The present invention relates to an external parallel-connected time-sharing selective switching voltage-type single-stage multiple-input low-frequency link inverter, the circuit structure thereof is constituted by one external parallel-...  
WO/2019/139216A1
The present invention relates to a pulse width modulation (PWM) control method and apparatus for keeping a direct current-side current constant in a three-level converter, which can control, according to a PWM scheme, such that a direct ...  

Matches 1 - 50 out of 32,546